Reference Learning Outcome :- Produce green sand moulds by using appropriate hand tools. (NOS:ISC/N9456)
Duration :- Professional Skill 50 Hrs; Professional Knowledge 14 Hrs (for above learning out come)
TRADE THEORY (Professional Knowledge ) :-
Ramming procedure of rammer and other tools used in making mould.
Importance of hardness test.
Different types of Gate cutting system with different tools used & repairs of gates.
principle ingredients in moulding sand & their effect on physical properties special additives in moulding sand & their effect unit sand.
TRADE PRACTICAL (Professional Skills With Indicative Hours) :- Job no. & Name of the Practical
25. Ramming practice in moulding boxes with hand rammers to obtain desire green hardness such as 70, 80, 90 by green hardness tester. (12 hrs)
26. Cut channel on rammed boxed with cross section such as trapezoid & triangular and finish with cleaner & double ender etc. (08 hrs)
27. Prepare unit sand and prepare mould for block such as square, Rectangular and round.(05 hrs)
WEEK. NO. 06
Reference Learning Outcome :- Produce green sand moulds by using appropriate hand tools. (NOS:ISC/N9456)
Duration :- Professional Skill 50 Hrs; Professional Knowledge 14 Hrs (for above learning out come)
TRADE THEORY (Professional Knowledge ) :-
Facing sand, baking sand Composition of various moulding sand.
Types of mould- advantage and disadvantage of sand mould and metal mould.
Moulding boxes [As per IS 1280-1958]
Crucible [As per IS 1748-1961]
TRADE PRACTICAL (Professional Skills With Indicative Hours) :- Job no. & Name of the Practical
28. Prepare facing and backing sand and simple moulds with top run gates. (12 hrs)
29. Prepare mould with self-leaving core pattern by using parting line gates. (13 hrs)
WEEK. NO. 07
Reference Learning Outcome :- Produce different casting components by different metal with different moulding process and finish the casting as per requirement. (NOS:ISC/N9457)
Duration :- Professional Skill 175 Hrs; Professional Knowledge 30 Hrs (for above learning out come)
TRADE THEORY (Professional Knowledge ) :-
Definition of green sand Advantage and disadvantage of green sand mould, loam sand mould and cement bonded sand mould.
Construction, operation and maintenance of pit furnace.
TRADE PRACTICAL (Professional Skills With Indicative Hours) :- Job no. & Name of the Practical
30. Prepare green sand mould by using split pattern for aluminium casting. Use natural moulding sand melt aluminium in different furnace and pour the same into moulds, fettle aluminium casting. (25 hrs)